APPENDIX 



[Additional illustrations, chiefly for use with a flora in determination 

 of species'] 



I. LEAF FORMS 



FIG. 1. General outline of leaves 



a, linear ; 6, lanceolate ; c, wedge-shaped ; d, spatulate ; e, ovate ; /, obovate ; 

 g, kidney-shaped ; h, orbicular ; i, elliptical 



537 



